Finding the Fourth Proportional to 1,853,499.47, 2,780,656.73 and 1,055,154.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853,499.47 : 2,780,656.73 = 1,055,154.83 : x
2. Step 2: Convert to fraction form
   1,853,499.47/2,780,656.73 = 1,055,154.83/x
3. Step 3: Cross multiply
   1,853,499.47x = 2,780,656.73 × 1,055,154.83
4. Step 4: Simplify right side
   1,853,499.47x = 2,934,023,379,231.51
5. Step 5: Solve for x
   x = 2,934,023,379,231.51/1,853,499.47
6. Step 6: Final answer
   x = 1,582,964.24